JP4004073B2 - ドライ真空ポンプ - Google Patents
ドライ真空ポンプ Download PDFInfo
- Publication number
- JP4004073B2 JP4004073B2 JP54611698A JP54611698A JP4004073B2 JP 4004073 B2 JP4004073 B2 JP 4004073B2 JP 54611698 A JP54611698 A JP 54611698A JP 54611698 A JP54611698 A JP 54611698A JP 4004073 B2 JP4004073 B2 JP 4004073B2
- Authority
- JP
- Japan
- Prior art keywords
- cylinder
- piston
- cylinder liner
- valve plate
- vacuum pump
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000013013 elastic material Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 claims 2
- 239000002783 friction material Substances 0.000 claims 1
- 238000013461 design Methods 0.000 description 8
- 230000006835 compression Effects 0.000 description 6
- 238000007906 compression Methods 0.000 description 6
- 238000007789 sealing Methods 0.000 description 5
- 238000012546 transfer Methods 0.000 description 5
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 150000003384 small molecules Chemical class 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000004323 axial length Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B37/00—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00
- F04B37/10—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for special use
- F04B37/14—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for special use to obtain high vacuum
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B7/00—Piston machines or pumps characterised by having positively-driven valving
- F04B7/0073—Piston machines or pumps characterised by having positively-driven valving the member being of the lost-motion type, e.g. friction-actuated members, or having means for pushing it against or pulling it from its seat
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
- Compressor (AREA)
- Drying Of Solid Materials (AREA)
- Non-Positive Displacement Air Blowers (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/845,192 US5921755A (en) | 1997-04-21 | 1997-04-21 | Dry vacuum pump |
| US08/845,192 | 1997-04-21 | ||
| PCT/US1998/007321 WO1998048170A1 (en) | 1997-04-21 | 1998-04-17 | Dry vacuum pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2001522426A JP2001522426A (ja) | 2001-11-13 |
| JP4004073B2 true JP4004073B2 (ja) | 2007-11-07 |
Family
ID=25294614
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP54611698A Expired - Fee Related JP4004073B2 (ja) | 1997-04-21 | 1998-04-17 | ドライ真空ポンプ |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US5921755A (de) |
| EP (1) | EP0977948B1 (de) |
| JP (1) | JP4004073B2 (de) |
| AT (1) | ATE382792T1 (de) |
| DE (1) | DE69838946T2 (de) |
| WO (1) | WO1998048170A1 (de) |
Families Citing this family (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE1009433A3 (nl) * | 1995-06-20 | 1997-03-04 | Atlas Copco Airpower Nv | Zuigermechanisme met doorvoer doorheen de zuiger. |
| US6120035A (en) * | 1998-08-26 | 2000-09-19 | Welker Engineering Company | Mating ring seal members with beveled mitered interface |
| US6666656B2 (en) | 2001-10-12 | 2003-12-23 | Hans-Georg G. Pressel | Compressor apparatus |
| KR100461233B1 (ko) * | 2001-12-03 | 2004-12-14 | 삼성광주전자 주식회사 | 유체 압축장치 |
| DE10247336A1 (de) * | 2002-10-10 | 2004-04-22 | Pfeiffer Vacuum Gmbh | Kolbenmaschine zur Förderung von Gasen |
| DE10337298A1 (de) * | 2003-08-14 | 2005-03-03 | Pfeiffer Vacuum Gmbh | Dichtungsanordnung für ein Zylinder-Kolben-System |
| DE10339838A1 (de) * | 2003-08-29 | 2005-03-17 | Pfeiffer Vacuum Gmbh | Vakuumpumpe |
| DE10352970A1 (de) * | 2003-11-13 | 2005-06-09 | Pfeiffer Vacuum Gmbh | Dichtungsanordnung für ein Zylinder-Kolben-System |
| DE102004024562A1 (de) * | 2004-05-18 | 2005-12-15 | Pfeiffer Vacuum Gmbh | Trocken laufende Kolbenvakuumpumpe |
| US20080075610A1 (en) * | 2004-11-02 | 2008-03-27 | Fisher & Paykel Appliances Limited | Linear Compressor Cylinder and Head Construction |
| US20070065321A1 (en) * | 2005-09-21 | 2007-03-22 | Durham Kevin P | Elastomeric reciprocating compressor valve spring |
| DE102006012532A1 (de) * | 2006-03-18 | 2007-09-20 | Pfeiffer Vacuum Gmbh | Dichtungsanordnung für eine Hubkolbenvakuumpumpe |
| DE102006050943B4 (de) * | 2006-10-28 | 2020-04-16 | Pfeiffer Vacuum Gmbh | Vakuumpumpe und Verfahren zum Betrieb derselben |
| DE102008061897A1 (de) * | 2008-12-11 | 2010-06-17 | Pfeiffer Vacuum Gmbh | Kolbenvakuumpumpe |
| US20130202416A1 (en) | 2010-10-08 | 2013-08-08 | Ulvac, Inc. | Drive device |
| KR101173168B1 (ko) | 2010-11-17 | 2012-08-16 | 데이비드 김 | 다단형 건식 진공펌프 |
| JP5733994B2 (ja) * | 2011-01-20 | 2015-06-10 | アルバック機工株式会社 | ピストン |
| US9435322B2 (en) * | 2012-01-19 | 2016-09-06 | Ge Oil & Gas Compression Systems, Llc | Valveless reciprocating compressor |
| US9702350B2 (en) | 2012-01-19 | 2017-07-11 | Ge Oil & Gas Compression Systems, Llc | Valveless reciprocating compressor |
| CN103452801B (zh) * | 2013-06-04 | 2016-01-20 | 浙江吉利汽车研究院有限公司杭州分公司 | 抽真空平衡曲轴箱压力装置 |
| WO2015012800A1 (en) * | 2013-07-23 | 2015-01-29 | Halliburton Energy Services, Inc. | Erosion, corrosion, and fatigue prevention for high-pressure pumps |
| CN103352826A (zh) * | 2013-07-31 | 2013-10-16 | 南通龙鹰真空泵业有限公司 | 一种无油立式真空泵 |
| CN103899512A (zh) * | 2014-02-13 | 2014-07-02 | 吴先亮 | 一种气室转换周复式两用泵 |
| FR3033558B1 (fr) * | 2015-03-12 | 2017-02-24 | Arkema France | Procede ameliore de production d'acide (meth)acrylique |
| CN107387364B (zh) * | 2017-08-25 | 2020-09-08 | 康沣生物科技(上海)有限公司 | 一种真空系统 |
| US10774830B2 (en) * | 2018-04-03 | 2020-09-15 | Graco Minnesota Inc. | Self-lubricating pump throat seal |
| CN110513272B (zh) * | 2019-10-11 | 2024-06-25 | 杭州千岛泵业有限公司 | 一种立式单程防腐真空泵及立式双程防腐真空泵 |
| CN110726280A (zh) * | 2019-11-20 | 2020-01-24 | 海信(山东)冰箱有限公司 | 一种低温储藏装置 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2258426A (en) * | 1938-10-26 | 1941-10-07 | Gen Motors Corp | Refrigerating apparatus |
| US2478294A (en) * | 1945-08-29 | 1949-08-09 | Madsen Tage | Pistons for combustion, steam, and other engines |
| US2751146A (en) * | 1951-10-29 | 1956-06-19 | Dalmo Victor Company | Air compressor |
| US2817562A (en) * | 1953-07-01 | 1957-12-24 | Gen Motors Corp | Coated piston |
| US3338509A (en) * | 1965-07-07 | 1967-08-29 | Borg Warner | Compressors |
-
1997
- 1997-04-21 US US08/845,192 patent/US5921755A/en not_active Expired - Lifetime
-
1998
- 1998-04-17 WO PCT/US1998/007321 patent/WO1998048170A1/en not_active Ceased
- 1998-04-17 JP JP54611698A patent/JP4004073B2/ja not_active Expired - Fee Related
- 1998-04-17 EP EP98918122A patent/EP0977948B1/de not_active Expired - Lifetime
- 1998-04-17 DE DE69838946T patent/DE69838946T2/de not_active Expired - Lifetime
- 1998-04-17 AT AT98918122T patent/ATE382792T1/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| EP0977948A1 (de) | 2000-02-09 |
| DE69838946D1 (de) | 2008-02-14 |
| EP0977948A4 (de) | 2004-06-02 |
| JP2001522426A (ja) | 2001-11-13 |
| WO1998048170A1 (en) | 1998-10-29 |
| EP0977948B1 (de) | 2008-01-02 |
| US5921755A (en) | 1999-07-13 |
| DE69838946T2 (de) | 2008-12-18 |
| ATE382792T1 (de) | 2008-01-15 |
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